I mimicked the teenager’s mouthing as I said to Yin Xinyue, “Officer Li.” 

Yin Xinyue was bewildered and stared at me. “Officer Li… what do you mean?”

I inhaled deeply and pulled Yin Xinyue into the bedroom. “She meant, Officer Li killed Wang Leng, didn’t she?” 

Yin Xinyue exhaled roughly before laughing. “Are you kidding? If Officer Li were the murderer, why would he put so much effort into a case like this?” 

“Do you think the little girl was just talking nonsense then?” I asked her. 

Yin Xinyue was surprised, looking at me and pondering for a long time. 

"What’s Officer Li’s last name? It’s Li. What’s Crown Prince Yide’s last name? Also Li. What if, Officer Li is a descendant of Crown Prince Yide, and since Wang Leng raided Officer Li’s ancestor’s tomb, Officer Li wanted to kill him to take revenge?” I asked. 

Yin Xinyue said nothing, she just looked at me, worry evident in her expression. 

“Officer Li...